
#box1 { /*id选择器不出现样式修饰中*/
    color: red;
}

.success {
    color: greenyellow;
}

h1 {
    color: blue;
}

a {
    /* text-decoration: underline;*/
    /* text-decoration: line-through;*/
    /*  text-decoration: overline;*/
    /* text-decoration: none;*/
}


/**
 * 伪类
 *  link visited    hover active
     :hover
*/
/* 未被访问的链接 */
a:link {
    color: #FF0000;
    text-decoration: none;
}

/* 已被访问的链接 */
a:visited {
    color: #00FF00;
    text-decoration: none;
}

/* 鼠标指针移动到链接上 */
a:hover {
    color: #FF00FF;
    text-decoration: underline;
}

/* 正在被点击的链接 */
a:active {
    color: #0000FF;
    text-decoration: underline;
}

.box{
    width: 100px;
    height: 100px;
    background-color: greenyellow;
}

.box:hover{
    background-color: #FF0000;
    width: 300px;
}


ul li{
    list-style-type: none;
}

ol li{
    list-style-type: none;

}


table,td{
    border: 1px solid;
}

table{
    border-collapse: collapse;
}